Alert archive / Colorado / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 5, NWS Denver/Boulder, CO

May 8, 1996Adams County, Morgan County, Weld County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 8, 1996, 8:55 PM MDT for Adams County, Morgan County, Weld County, Colorado. It was in force for 50 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 8, 1996, 8:55 PM MDT (02:55 UTC)
Expired
May 8, 1996, 9:45 PM MDT
In force
50 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

Counties Adams County, CO, Morgan County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 58 km from the middle of the area, began a volume at 02:59 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
May 8, 9:00 PM MDTHail 1.75Roggen, CO
May 8, 9:15 PM MDTThunderstorm Wind 55Ft Morgan, CO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 2.9 hours before the alert went out and 90 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 00:00Z on 1996-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1808 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 1996-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1808 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
2066 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 8, 7:15 PM MDTSevere Thunderstorm WarningBOULogan45 min
May 8, 8:03 PM MDTSevere Thunderstorm WarningBOUAdams, Weld42 min
May 8, 10:15 PM MDTSevere Thunderstorm WarningBOUMorgan, Washington45 min
May 8, 11:10 PM MDTSevere Thunderstorm WarningBOUPhillips, Sedgwick50 min
May 9, 2:15 AM MDTSevere Thunderstorm WarningBOULogan45 min
May 9, 2:20 PM MDTSevere Thunderstorm WarningBOUElbert25 min
May 9, 2:50 PM MDTSevere Thunderstorm WarningBOUElbert, Lincoln25 min
May 9, 3:16 PM MDTSevere Thunderstorm WarningBOUElbert, Lincoln14 min
May 9, 3:36 PM MDTSevere Thunderstorm WarningBOULincoln24 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1996Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.